Boxing Weights: Marcos Rene Maidana vs. Victor Cayo

Marcos Rene Maidana defends his Interim WBA super lightweight belt against challenger Victor Cayo tonight at The Hard Rock Casino in Las Vegas, NV, while Ali Funeka meets Joan Guzman in a rematch for the vacant IBF lightweight title.

As Guzman came in at an amazing nine pounds over the 135 pound weight limit, only Funeka can win the IBF crown.

Interim WBA super lightweight championship, 12 rounds
Marcos Rene Maidana: 140 lb
Victor Cayo: 140 lb

Vacant IBF lightweight championship, 12 rounds
Ali Funeka: 135 lb
Joan Guzman: 144 lb

Super middleweights, 8 rounds
Daniel Jacobs: 166.5 lb
Jose Rodriguez: 164.5 lb